91567640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 212889600

約数和(自身を除く): 121321960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 278, 344, 383, 430, 556, 695, 766, 860, 1112, 1390, 1532, 1720, 1915, 2780, 3064, 3830, 5560, 5977, 7660, 11954, 15320, 16469, 23908, 29885, 32938, 47816, 53237, 59770, 65876, 82345, 106474, 119540, 131752, 164690, 212948, 239080, 266185, 329380, 425896, 532370, 658760, 1064740, 2129480, 2289191, 4578382, 9156764, 11445955, 18313528, 22891910, 45783820, 91567640]

約数ペア:

[(1, 91567640), (2, 45783820), (4, 22891910), (5, 18313528), (8, 11445955), (10, 9156764), (20, 4578382), (40, 2289191), (43, 2129480), (86, 1064740), (139, 658760), (172, 532370), (215, 425896), (278, 329380), (344, 266185), (383, 239080), (430, 212948), (556, 164690), (695, 131752), (766, 119540), (860, 106474), (1112, 82345), (1390, 65876), (1532, 59770), (1720, 53237), (1915, 47816), (2780, 32938), (3064, 29885), (3830, 23908), (5560, 16469), (5977, 15320), (7660, 11954)]